Webhook Relay

🧩 Overview

Webhook Relay is a plug-and-play, open-source template designed for payment companies, SaaS platforms, and fintech startups. It unifies inconsistent webhook structures from various payment gateways into a standardized event format, so you can scale integrations faster and maintain consistency across your stack.

Currently, it includes webhook setup support for:

• Interswitch Payment Gateway (IPG)

✨ Features

• Signature validation middleware according to gateway standard

• Custom event mapping per gateway

• Database-agnostic design – bring your own storage logic (PostgreSQL, MongoDB, Firebase, etc.)

• Easily extensible for multiple payment gateways

• Designed to be self-hosted and audit-friendly

Versions

This project was bootstrapped using the following versions

• NestJS v11.0.6
• Node v20.17.0
• Yarn v1.22.19

Project setup

$ yarn install

Compile and run the project

# development
$ yarn run start

# watch mode
$ yarn run start:dev

# production mode
$ yarn run start:prod

Run tests

# unit tests
$ yarn run test

# e2e tests
$ yarn run test:e2e

# test coverage
$ yarn run test:cov

Deployment

When you're ready to deploy your NestJS application to production, there are some key steps you can take to ensure it runs as efficiently as possible. Check out the deployment documentation for more information.

If you are looking for a cloud-based platform to deploy your NestJS application, check out Mau, our official platform for deploying NestJS applications on AWS. Mau makes deployment straightforward and fast, requiring just a few simple steps:

$ yarn install -g @nestjs/mau
$ mau deploy

With Mau, you can deploy your application in just a few clicks, allowing you to focus on building features rather than managing infrastructure.